Resin cutting discs are the most widely used abrasive cutting tools for angle grinders, essential for metal fabrication, steel structure, shipbuilding, automotive repair and engineering construction. Also known as resin-bond cut-off wheels, they are engineered with abrasive grains bonded by phenolic resin, reinforced by multi-layer fiberglass mesh to guarantee stability under high-speed rotation.
The core performance of a resin cutting disc depends on the abrasive grain type. Brown aluminum oxide works well for carbon steel, cast iron and general ferrous metals. Zirconia alumina delivers cooler cutting and longer service life on stainless steel and alloy steel. Silicon carbide is preferred for non-ferrous metals, stone and composite materials. Thin kerf designs reduce material loss and heat buildup, leaving cleaner cuts with fewer burrs.
Common specifications cover 100mm, 115mm, 125mm, 180mm and 230mm, matched with standard angle grinders. Working speed is strictly marked (80 m/s is the mainstream industrial standard). Many users confuse cutting discs with grinding discs: cutting discs are thin and designed for linear cutting only, not side grinding. Improper side pressure is the top cause of safety accidents.
How to Select the Right Resin Cutting Disc
Match the abrasive grain to your workpiece: carbon steel / stainless steel / aluminum / stone.
Choose thickness: ultra-thin discs for precision, thin discs for high efficiency, thicker wheels for heavy continuous cutting.
Confirm maximum RPM and peripheral speed, never exceed the marked rating.
Check certifications such as EN12413 for European market compliance.
Safe Operation Reminders
Always use the wheel guard, safety goggles and gloves. Inspect the disc for cracks before mounting. Do not use damaged, dropped or expired discs. Avoid overloading and side grinding.
At DELUN Abrasives, we manufacture resin cutting discs with stable resin formula, high-strength fiberglass mesh and strict batch testing. Our discs feature sharp cutting, low heat, long lifespan and consistent safety performance, serving global metalworking workshops. If you need custom sizes or special formulations for your cutting tasks, contact our team.
